import  numpy  as np
arr1 = np.array([[10,20,30],[40,50,60],])
print('2*3的数组: \n', arr1)
arr2 = np.array([[1,2,2],[2,2,3]])
print('2*3的数组arr2: \n', arr2)
print('arr1与arr2的加法运算: \n', arr1 + arr2)
print('arr1与arr2的减法运算: \n', arr1 - arr2)
print('arr1与arr2的乘法运算: \n', arr1 * arr2)
print('arr1与arr2的除法运算: \n', arr1 / arr2)
print('arr1与arr2的幂运算: \n', arr1 ** arr2)
